Nima Ashrafi

According to our database, Nima Ashrafi authored at least 13 papers between 2014 and 2016.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2016

Physical phaseplate for the generation of a millimeter-wave hermite-Gaussian beam.

Harini Kumar, H. Yao, Thethnin Ei, Nima Ashrafi, Tim LaFave, Solyman Ashrafi, Duncan L. MacFarlane, Rashaunda Henderson

Proceedings of the 2016 IEEE Radio and Wireless Symposium, 2016

Demonstration of OAM-based MIMO FSO link using spatial diversity and MIMO equalization for turbulence mitigation.

Yongxiong Ren, Zhe Wang, Guodong Xie, Long Li, Asher J. Willner, Yinwen Cao, Zhe Zhao, Yan Yan, Nisar Ahmed, Nima Ashrafi, Solyman Ashrafi, Robert Bock, Moshe Tur, Alan E. Willner

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

A dual-channel 60 GHz communications link using patch antenna arrays to generate data-carrying orbital-angular-momentum beams.

Zhe Zhao, Yan Yan, Long Li, Guodong Xie, Yongxiong Ren, Nisar Ahmed, Zhe Wang, Cong Liu, Asher J. Willner, Pingyue Song, Hossein Hashemi, Haohan Yao, Duncan L. MacFarlane, Rashaunda Henderson, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner

Proceedings of the 2016 IEEE International Conference on Communications, 2016

32-Gbit/s 60-GHz millimeter-wave wireless communication using orbital angular momentum and polarization multiplexing.

Yan Yan, Long Li, Zhe Zhao, Guodong Xie, Zhe Wang, Yongxiong Ren, Nisar Ahmed, Soji Sajuyigbe, Shilpa Talwar, Moshe Tur, Nima Ashrafi, Solyman Ashrafi, Andreas F. Molisch, Alan E. Willner

Proceedings of the 2016 IEEE International Conference on Communications, 2016

Tunable generation and angular steering of a millimeter-wave orbital-angular-momentum beam using differential time delays in a circular antenna array.

Guodong Xie, Yan Yan, Zhe Zhao, Long Li, Yongxiong Ren, Nisar Ahmed, Asher J. Willner, Changjing Bao, Zhe Wang, Cong Liu, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner

Proceedings of the 2016 IEEE International Conference on Communications, 2016

2015

400-Gbit/s free-space optical communications link over 120-meter using multiplexing of 4 collocated orbital-angular-momentum beams.

Yongxiong Ren, Zhe Wang, Peicheng Liao, Long Li, Guodong Xie, Hao Huang, Zhe Zhao, Yan Yan, Nisar Ahmed, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Roger D. Linquist, Moshe Tur, Ivan B. Djordjevic, Mark A. Neifeld, Alan E. Willner

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Performance enhancement of an orbital-angular-momentum-based free-space optical communication link through beam divergence controlling.

Long Li, Guodong Xie, Yongxiong Ren, Nisar Ahmed, Hao Huang, Zhe Zhao, Peicheng Liao, Martin P. J. Lavery, Yan Yan, Changjing Bao, Zhe Wang, Nima Ashrafi, Solyman Ashrafi, Moshe Tur, Alan E. Willner

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Experimental demonstration of 16-Gbit/s millimeter-wave communications link using thin metamaterial plates to generate data-carrying orbital-angular-momentum beams.

Zhe Zhao, Yongxiong Ren, Guodong Xie, Yan Yan, Long Li, Hao Huang, Changjing Bao, Nisar Ahmed, Martin P. J. Lavery, Chongfu Zhang, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner

Proceedings of the 2015 IEEE International Conference on Communications, 2015

Experimental measurements of multipath-induced intra- and inter-channel crosstalk effects in a millimeter-wave communications link using orbital-angular-momentum multiplexing.

Yan Yan, Long Li, Guodong Xie, Changjing Bao, Peicheng Liao, Hao Huang, Yongxiong Ren, Nisar Ahmed, Zhe Zhao, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Shilpa Talwar, Soji Sajuyigbe, Moshe Tur, Andreas F. Molisch, Alan E. Willner

Proceedings of the 2015 IEEE International Conference on Communications, 2015

Exploiting the unique intensity gradient of an orbital-angular-momentum beam for accurate receiver alignment monitoring in a free-space communication link.

Guodong Xie, Long Li, Yongxiong Ren, Yan Yan, Nisar Ahmed, Zhe Zhao, Zhe Wang, Nima Ashrafi, Solyman Ashrafi, Roger D. Linquist, Alan E. Willner

Proceedings of the European Conference on Optical Communication, 2015

Dividing and multiplying the mode order for orbital-angular-momentum beams.

Zhe Zhao, Yongxiong Ren, Guodong Xie, Long Li, Yan Yan, Nisar Ahmed, Zhe Wang, Nima Ashrafi, Solyman Ashrafi, Roger D. Linquist, Alan E. Willner

Proceedings of the European Conference on Optical Communication, 2015

2014

Performance Metrics and Design Parameters for a Free-space Communication Link Based on Multiplexing of Multiple Orbital-Angular-Momentum Beams.

Guodong Xie, Long Li, Yongxiong Ren, Hao Huang, Yan Yan, Nisar Ahmed, Zhe Zhao, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Moshe Tur, Andreas F. Molisch, Alan E. Willner

CoRR, 2014

Performance metrics and design parameters for an FSO communications link based on multiplexing of multiple orbital-angular-momentum beams.

Guodong Xie, Long Li, Yongxiong Ren, Hao Huang, Yan Yan, Nisar Ahmed, Zhe Zhao, Martin P. J. Lavery, Nima Ashrafi, Solyman Ashrafi, Moshe Tur, Andreas F. Molisch, Alan E. Willner

Proceedings of the 2014 IEEE GLOBECOM Workshops, Austin, TX, USA, December 8-12, 2014, 2014